Trailer king pin lock



FIG. 1 is a front elevational view of a trailer king pin lock showing mynew design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a side elevational view thereof, the opposite side beingsubstantially a mirror image of the side shown therein;

FIG. 4 is a bottom plan view thereof; and

FIG. 5 is an enlarged top plan view thereof.

The ornamental design for a trailer king pin lock, substantially asshown.